4 A roll of paper is shown below.
1 answer:
Answer:
339 cm²
Step-by-step explanation:
Using the relation for the surface area of a cylinder :
A = 2πrh
r = Radius = diameter / 2 = 4.5 / 2 = 2.25 cm
Height, h = 24 cm
A = 2 * 22/7 * 2.25 * 24
A = 339.29200 cm²
Surface Area =339 cm²
About 339cm³ of cardboard will be needed for the inner tube.
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Second side= x
First side = 2x
Third side = x+5
x+2x+x+5=49
4x=44
x=11
1st side= 22
2nd side = 11
3rd side = 16
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Answer:
2.6 million cubic metres
Step-by-step explanation:
please kindly check the attached file for explanation
Yeah definitely the first guy
Answer:
155 degrees
Step-by-step explanation:
10 x 8 = 80
80 + 75 = 155
